Name
- Gregory, Thomas, agent for the exchange of prisoners with Spain, fl 18011
- Grose, Daniel, correspondent of Thomas Pelham, 2nd Earl of Chichester, fl 18011
- Hailes, Daniel, correspondent of Thomas Pelham, 2nd Earl of Chichester, fl 17771
- Hamilton, Alexander, 10th Duke of Hamilton, politician, diplomat and art collector, 1767-18521
- Hamilton, J-, Irish Customs1
- Hamilton, William Gerard, Chancellor of the Exchequer in Ireland1
- Hampton, William1
- Hanson, Francis1
- Harcourt, William, 3rd Earl Harcourt1
- Hardy, Joseph, Consul at Cadiz1
- Hargreaves, Louis1
- Harris, G- S-1
- Harris, James Edward, 2nd Earl of Malmesbury1
- Harrison, A- S-1
- Harrison, H-, Collector of Customs, Newhaven1
- Hatton, Edward, of Add MS 331071
- Hay, Edward, of Add MS 331011
- Hay, George, 7th Marquis of Tweeddale1
- Herries, Charles, Colonel1
- Herries, Robert, of Add MS 331081